activity
20032025
most citedTheory of High-Tc Superconductivity: Accurate Predictions of Tc

23 citations · 205 across the 22 of their papers we have counts for

collaborators

22 papers

cond-mat.supr-con2025★ 1 cited

Interfacial superconductivity in Cu/CuO and its effect on shielding ambient electric fields

Dale R. Harshman, Anthony T. Fiory

A model is presented for two-dimensional superconductivity at semiconductor-on-metal interfaces mediated by Coulomb interactions between electronically-active interface charges in…

cond-mat.supr-con2023

Determining the upper critical magnetic field for N-doped lutetium hydride directly from the source data files in Dasenbrock-Gammon et al., Nature , 244 (2023)

Dale R. Harshman, Anthony T. Fiory

The Ginzburg-Landau-based upper critical magnetic field (0) 88 T for N-doped lutetium hydride, reported in Dasenbrock-Gammon et al., Nature $\textbf{615…

cond-mat.supr-con2022

Analysis of electrical resistance data from Snider et al., Nature , 373 (2020)

Dale R. Harshman, Anthony T. Fiory

Digital data for the temperature dependence of electrical resistance, which were extracted and analyzed by Hamlin (arXiv:2210.10766v1) from the pdf file published for "Room tempera…

cond-mat.supr-con2022★ 7 cited

Superconducting 3 CSH model applied to resistive transition temperature data for compressed C-S-H at high pressure

Dale R. Harshman, Anthony T. Fiory

This article updates version 1 by restricting consideration to only the resistive data and excluding the questioned 287.7-K datum reported for carbonaceous sulfur hydride in Snider…

cond-mat.supr-con2021

Letter/Comment on: Improved predictions for superconductors

Dale R. Harshman, Anthony T. Fiory

Letter/comment on M. Rini, Physics , s94 (July 27, 2020) and A. Sanna et al., Phys. Rev. Lett. , 057001 (2020).

cond-mat.supr-con2020★ 11 cited

High- Superconductivity in Hydrogen Clathrates Mediated by Coulomb Interactions between Hydrogen and Central-Atom Electrons

Dale R. Harshman, Anthony T. Fiory

The uniquely characteristic macrostructures of binary hydrogen-clathrate compounds H formed at high pressure, a cage of hydrogens surrounding a central-atom host, i…

cond-mat.supr-con2019★ 13 cited

High- Superconductivity Originating from Interlayer Coulomb Coupling in Gate-Charged Twisted Bilayer Graphene Moir Superlattices

Dale R. Harshman, Anthony T. Fiory

Unconventional superconductivity in bilayer graphene has been reported for twist angles near the first magic angle and charged electrostatically with holes near half filling of…

cond-mat.supr-con2017★ 11 cited

Compressed HS: inter-sublattice Coulomb coupling in a high- superconductor

Dale R. Harshman, Anthony T. Fiory

Upon thermal annealing at or above room temperature (RT) and high pressure 155 GPa, HS exhibits superconductivity at 200 K. Various theoretical…

cond-mat.supr-con2017★ 7 cited

High- superconductivity in CsC compounds governed by local Cs-C Coulomb interactions

Dale R. Harshman, Anthony T. Fiory

Unique among alkali-doped C fullerene compounds, the A15 and fcc forms of CsC exhibit superconducting states varying under hydrostatic pressure w…

cond-mat.supr-con2017★ 12 cited

On the isotope effect in compressed superconducting HS and DS

Dale R. Harshman, Anthony T. Fiory

A maximum superconductive transition temperature = 203.5 K has recently been reported for a sample of the binary compound tri-hydrogen sulfide (HS) prep…

cond-mat.supr-con2015★ 8 cited

Modeling Intercalated Group-4-Metal Nitride Halide Superconductivity with Interlayer Coulomb Coupling

Dale R. Harshman, Anthony T. Fiory

Behavior consistent with Coulomb-mediated high-T superconductivity is shown to be present in the intercalated group-4-metal nitride halides A(S)MNX, where the MNX host…

cond-mat.supr-con2015★ 12 cited

Superconducting interaction charge in thallium-based high-Tc cuprates: Roles of cation oxidation state and electronegativity

Dale R. Harshman, Anthony T. Fiory

Superconductivity in the Tl-based cuprates encompasses a notably broad range of measured optimal transition temperatures Tc0, ranging from lowest in the charge-depleted Tl-1201 com…

cond-mat.supr-con2014★ 13 cited

Comment on "Superconductivity in electron-doped layered TiNCl with variable interlayer coupling"

Dale R. Harshman, Anthony T. Fiory

In their article, Zhang et al. [Phys. Rev. B 86, 024516 (2012)] present a remarkable result for A(S)TiNCl compounds (-phase TiNCl partially intercalated with alkali A an…

cond-mat.supr-con2012★ 10 cited

Charge compensation and optimal stoichiometry in superconducting (CaLa)(BaLa)CuO

Dale R. Harshman, Anthony T. Fiory

The superconductive and magnetic properties of chargecompensated (CaLa)(BaLa)CuO (normally denoted as CLBLCO) are considered through qu…

cond-mat.supr-con2012★ 23 cited

Theory of High-Tc Superconductivity: Accurate Predictions of Tc

Dale R. Harshman, Anthony T. Fiory

The superconducting transition temperatures of high-Tc compounds based on copper, iron, ruthenium and certain organic molecules are discovered to be dependent on bond lengths, ioni…

cond-mat.supr-con2012★ 11 cited

Coexisting Holes and Electrons in High-Tc Materials: Implications from Normal State Transport

Dale R. Harshman, John D. Dow, Anthony T. Fiory

Normal state resistivity and Hall effect are shown to be successfully modeled by a two-band model of holes and electrons that is applied self-consistently to (i) DC transport data…

cond-mat.supr-con2012★ 8 cited

Reply to "Comment on 'Isotope effect in high-Tc superconductors' "

Dale R. Harshman, John D. Dow, Anthony T. Fiory

Our paper on the isotope effect in high-temperature superconductors with cation substitutions presents a comprehensive analysis rooted completely in the experimental evidence. In t…

cond-mat.supr-con2012★ 10 cited

The Superconducting Transition Temperatures of Fe1+xSe1--y, Fe1+xSe1--yTey and (K/Rb/Cs)zFe2--xSe2

Dale R. Harshman, Anthony T. Fiory

In a recent contribution to this journal, it was shown that the transition temperatures of optimal high-Tc compounds obey the algebraic relation, Tc0 = kB-1β/\ellζ, where \ell is r…

cond-mat.supr-con2012★ 6 cited

High-Tc Superconductivity in Ultra-thin Crystals: Implications for Microscopic Theory

Dale R. Harshman, Anthony T. Fiory

High transition temperature (high-Tc) superconductivity is associated with layered crystal structures. This work considers superconductivity in ultra-thin crystals (of thickness eq…

cond-mat.supr-con2012★ 23 cited

Theory of High-Tc Superconductivity: Transition Temperature

Dale R. Harshman, Anthony T. Fiory, John D. Dow

It is demonstrated that the transition temperature (Tc) of high-Tc superconductors is determined by their layered crystal structure, bond lengths, valency properties of the ions, a…

cond-mat.supr-con2012★ 9 cited

Concerning the superconducting gap symmetry in YBa2Cu3O7-δ, YBa2Cu4O8, and La2-xSrxCuO4 determined from muon spin rotation in mixed states of crystals and powders

Dale R. Harshman, Anthony T. Fiory

Muon spin rotation (μ+SR) measurements of square-root second moments of local magnetic fields σ in superconducting mixed states, as published for oriented crystals and powder sampl…

cond-mat.supr-con2003★ 10 cited

Muon Spin Rotation study of the system

A. J. Greer, D. R. Harshman, W. J. Kossler +6

We report a study of the organic compound in both a sample cooled very slowly through the anion ordering temperature (relaxed state) and a sample cooled more rapi…